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Bulk Load CDK: GZip Compression and S3V2 Usage
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26 changes: 26 additions & 0 deletions
26
airbyte-cdk/bulk/core/load/src/main/kotlin/io/airbyte/cdk/load/file/StreamProcessor.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| /* | ||
| * Copyright (c) 2024 Airbyte, Inc., all rights reserved. | ||
| */ | ||
|
|
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| package io.airbyte.cdk.load.file | ||
|
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| import java.io.ByteArrayOutputStream | ||
| import java.util.zip.GZIPOutputStream | ||
|
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| interface StreamProcessor<T> { | ||
| val wrapper: (ByteArrayOutputStream) -> T | ||
| val partFinisher: T.() -> Unit | ||
| val extension: String? | ||
| } | ||
|
|
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| data object NoopProcessor : StreamProcessor<ByteArrayOutputStream> { | ||
| override val wrapper: (ByteArrayOutputStream) -> ByteArrayOutputStream = { it } | ||
| override val partFinisher: ByteArrayOutputStream.() -> Unit = {} | ||
| override val extension: String? = null | ||
| } | ||
|
|
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| data object GZIPProcessor : StreamProcessor<GZIPOutputStream> { | ||
| override val wrapper: (ByteArrayOutputStream) -> GZIPOutputStream = { GZIPOutputStream(it) } | ||
| override val partFinisher: GZIPOutputStream.() -> Unit = { finish() } | ||
| override val extension: String = "gz" | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,4 +1,6 @@ | ||
| dependencies { | ||
| implementation project(':airbyte-cdk:bulk:core:bulk-cdk-core-base') | ||
| implementation project(':airbyte-cdk:bulk:core:bulk-cdk-core-load') | ||
|
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| testFixturesImplementation testFixtures(project(":airbyte-cdk:bulk:core:bulk-cdk-core-load")) | ||
| } |
86 changes: 86 additions & 0 deletions
86
...otlin/io/airbyte/cdk/load/command/object_storage/ObjectStorageCompressionSpecification.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| /* | ||
| * Copyright (c) 2024 Airbyte, Inc., all rights reserved. | ||
| */ | ||
|
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| package io.airbyte.cdk.load.command.object_storage | ||
|
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| import com.fasterxml.jackson.annotation.JsonProperty | ||
| import com.fasterxml.jackson.annotation.JsonPropertyDescription | ||
| import com.fasterxml.jackson.annotation.JsonSubTypes | ||
| import com.fasterxml.jackson.annotation.JsonTypeInfo | ||
| import com.fasterxml.jackson.annotation.JsonValue | ||
| import com.kjetland.jackson.jsonSchema.annotations.JsonSchemaTitle | ||
| import io.airbyte.cdk.load.file.GZIPProcessor | ||
| import io.airbyte.cdk.load.file.NoopProcessor | ||
| import io.airbyte.cdk.load.file.StreamProcessor | ||
| import java.io.ByteArrayOutputStream | ||
| import java.io.OutputStream | ||
|
|
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| /** | ||
| * Mix-in to provide file format configuration. | ||
| * | ||
| * The specification is intended to be applied to file formats that are compatible with file-level | ||
| * compression (csv, jsonl) and does not need to be added to the destination spec directly. The | ||
| * [ObjectStorageCompressionConfigurationProvider] can be added to the top-level | ||
| * [io.airbyte.cdk.load.command.DestinationConfiguration] and initialized directly with | ||
| * [ObjectStorageFormatSpecificationProvider.toObjectStorageFormatConfiguration]. (See the comments | ||
| * on [io.airbyte.cdk.load.command.DestinationConfiguration] for more details.) | ||
| */ | ||
| interface ObjectStorageCompressionSpecificationProvider { | ||
| @get:JsonSchemaTitle("Compression") | ||
| @get:JsonPropertyDescription( | ||
| "Whether the output files should be compressed. If compression is selected, the output filename will have an extra extension (GZIP: \".jsonl.gz\").", | ||
| ) | ||
| @get:JsonProperty("compression") | ||
| val compression: ObjectStorageCompressionSpecification | ||
|
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| fun toCompressionConfiguration(): ObjectStorageCompressionConfiguration<*> { | ||
| return when (compression) { | ||
| is NoCompressionSpecification -> ObjectStorageCompressionConfiguration(NoopProcessor) | ||
| is GZIPCompressionSpecification -> ObjectStorageCompressionConfiguration(GZIPProcessor) | ||
| } | ||
| } | ||
|
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| companion object { | ||
| fun getNoCompressionConfiguration(): | ||
| ObjectStorageCompressionConfiguration<ByteArrayOutputStream> { | ||
| return ObjectStorageCompressionConfiguration(NoopProcessor) | ||
| } | ||
| } | ||
| } | ||
|
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| @JsonTypeInfo( | ||
| use = JsonTypeInfo.Id.NAME, | ||
| include = JsonTypeInfo.As.EXISTING_PROPERTY, | ||
| property = "compression_type", | ||
| ) | ||
| @JsonSubTypes( | ||
| JsonSubTypes.Type(value = NoCompressionSpecification::class, name = "No Compression"), | ||
| JsonSubTypes.Type(value = GZIPCompressionSpecification::class, name = "GZIP"), | ||
| ) | ||
| sealed class ObjectStorageCompressionSpecification( | ||
| @JsonProperty("compression_type") open val compressionType: Type | ||
| ) { | ||
| enum class Type(@get:JsonValue val typeName: String) { | ||
| NoCompression("No Compression"), | ||
| GZIP("GZIP"), | ||
| } | ||
| } | ||
|
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| @JsonSchemaTitle("No Compression") | ||
| class NoCompressionSpecification( | ||
| @JsonProperty("compression_type") override val compressionType: Type = Type.NoCompression | ||
| ) : ObjectStorageCompressionSpecification(compressionType) | ||
|
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| @JsonSchemaTitle("GZIP") | ||
| class GZIPCompressionSpecification( | ||
| @JsonProperty("compression_type") override val compressionType: Type = Type.GZIP | ||
| ) : ObjectStorageCompressionSpecification(compressionType) | ||
|
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| data class ObjectStorageCompressionConfiguration<T : OutputStream>( | ||
| val compressor: StreamProcessor<T> | ||
| ) | ||
|
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| interface ObjectStorageCompressionConfigurationProvider<T : OutputStream> { | ||
| val objectStorageCompressionConfiguration: ObjectStorageCompressionConfiguration<T> | ||
| } |
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62 changes: 62 additions & 0 deletions
62
...oad-object-storage/src/testFixtures/kotlin/io/airbyte/cdk/load/ObjectStorageDataDumper.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,62 @@ | ||
| /* | ||
| * Copyright (c) 2024 Airbyte, Inc., all rights reserved. | ||
| */ | ||
|
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| package io.airbyte.cdk.load | ||
|
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| import io.airbyte.cdk.load.command.DestinationStream | ||
| import io.airbyte.cdk.load.command.object_storage.ObjectStorageCompressionConfiguration | ||
| import io.airbyte.cdk.load.data.toAirbyteValue | ||
| import io.airbyte.cdk.load.file.GZIPProcessor | ||
| import io.airbyte.cdk.load.file.NoopProcessor | ||
| import io.airbyte.cdk.load.file.object_storage.ObjectStorageClient | ||
| import io.airbyte.cdk.load.file.object_storage.ObjectStoragePathFactory | ||
| import io.airbyte.cdk.load.file.object_storage.RemoteObject | ||
| import io.airbyte.cdk.load.test.util.OutputRecord | ||
| import io.airbyte.cdk.load.test.util.toOutputRecord | ||
| import io.airbyte.cdk.load.util.deserializeToNode | ||
| import java.io.InputStream | ||
| import java.util.zip.GZIPInputStream | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.flow.map | ||
| import kotlinx.coroutines.flow.toList | ||
| import kotlinx.coroutines.runBlocking | ||
| import kotlinx.coroutines.withContext | ||
|
|
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| class ObjectStorageDataDumper( | ||
| private val stream: DestinationStream, | ||
| private val client: ObjectStorageClient<*, *>, | ||
| private val pathFactory: ObjectStoragePathFactory, | ||
| private val compressionConfig: ObjectStorageCompressionConfiguration<*>? = null | ||
| ) { | ||
| fun dump(): List<OutputRecord> { | ||
| val prefix = pathFactory.getFinalDirectory(stream).toString() | ||
| return runBlocking { | ||
| withContext(Dispatchers.IO) { | ||
| client | ||
| .list(prefix) | ||
| .map { listedObject: RemoteObject<*> -> | ||
| client.get(listedObject.key) { objectData: InputStream -> | ||
| when (compressionConfig?.compressor) { | ||
| is GZIPProcessor -> GZIPInputStream(objectData) | ||
| is NoopProcessor, | ||
| null -> objectData | ||
| else -> error("Unsupported compressor") | ||
| } | ||
| .bufferedReader() | ||
| .lineSequence() | ||
| .map { line -> | ||
| line | ||
| .deserializeToNode() | ||
| .toAirbyteValue(stream.schemaWithMeta) | ||
| .toOutputRecord() | ||
| } | ||
| .toList() | ||
| } | ||
| } | ||
| .toList() | ||
| .flatten() | ||
| } | ||
| } | ||
| } | ||
| } |
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